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Product comparison · 2 laptops

Lenovo E420s + 0A33943 + 57Y4608 vs Lenovo T420s + ThinkPad Mini Dock Series 3 (EU)

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  • 123specifications compared
  • 30differ
  • 93identical
  • 15known for one product only

Key differences

  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Display brightness
    • 200 cd/m²
    • 250 cd/m²
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i5-2410M
    • i7-2620M
  • Processor boost frequency
    • 2.9 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.3 GHz
    • 2.7 GHz
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
138 specifications
A

Lenovo

E420s + 0A33943 + 57Y4608View product
B

Lenovo

T420s + ThinkPad Mini Dock Series 3 (EU)View product
Display2 differ
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneHD+
Display brightnessDiffers200 cd/m²250 cd/m²
Contrast ratio (typical)Known for one300:1
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2410Mi7-2620M
Processor boost frequencyDiffers2.9 GHz3.4 GHz
Processor frequencyDiffers2.3 GHz2.7 GHz
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2327
Memoryidentical
Memory clock speedKnown for one1333 MHz
Storage1 differ
Total storage capacityKnown for one160 GB
SSD capacityDiffers128 GB160 GB
SSD interfaceKnown for oneSATA
Graphics3 differ
Discrete graphics card modelDiffersIntel® HD Graphics 3000NVIDIA® NVS™ 4200M
Graphics card familyDiffersIntelNVIDIA
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Audioidentical
Speaker powerKnown for one1 W
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
eSATA/USB 2.0 ports quantityKnown for one1
HDMI ports quantityKnown for one1
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
Processor special features6 differ
CPU configuration (max)Known for one1
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5222452231
Processor codeKnown for oneSR041
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Intel® Smart CacheKnown for oneYes
Battery2 differ
Number of battery cellsDiffers46
Battery life (max)Differs7 h5.5 h
Weight & dimensions5 differ
WeightDiffers1.88 kg1.67 kg
WidthDiffers349 mm343 mm
DepthDiffers236 mm230.1 mm
Height (front)Differs2.31 cm2.12 cm
Height (rear)Differs3.12 cm2.6 cm
Other featuresidentical
Supplied AC adapter typeKnown for oneAC

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